69 entries under vigilant topic. ×

1
cool(adjective, deliberate, alert, significant, familiar)
1
glued(adjective, alert, careful, caring, thoughtful)
1
hooked(adjective, alert, careful, caring, thoughtful)
1
observative(adjective, kind, sympathetic, alert, careful)
1
see after(expression, adjective, alert, careful, cautious)
1
see to(expression, adjective, alert, careful, cautious)
1
suspicious(adjective, alert, careful, cautious, attentive)
1
unsleeping(adjective, keen, alert, careful, cautious)
1
with eyes peeled(expression, adjective, idiom, keen, alert)
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APASmart Define. (2016). observant thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/observant/thesaurus/synonyms
ChicagoSmart Define. 2016. "observant thesaurus" https://smartdefine.org/observant/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, observant thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/observant/thesaurus/synonyms>.
MLASmart Define. "observant thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/observant/thesaurus/synonyms>